GREE Photovoltaic Direct-driven Inverter Multi VRF Units
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If a parameter is invalid for the unit, "00" is displayed.
On the master unit, press "SW6" to return to the upper level if there are two levels of menu. Press
"SW4" to quit the query status.
If no button operations are performed on the master unit for five minutes, the function setting
automatically quits and the unit restores the current status.
Step 4: In query status, press "SW4" to quit.
1.3.5. Basic Operations for Engineering Commissioning
1.3.5.1 Basic Operations
Starting engineering
Press and hold "SW7" on the master
unit for more than five seconds.
——
Selecting no-wired-controller
commissioning mode
Press "SW4" and "SW5" simultaneously
in any commissioning progress after the
unit enters the commissioning status.
In this mode, the system does not detect the
communication status between the IDU and
wired controller any more. Commissioning can
be performed on the IDU without configuring
Quitting engineering
commissioning
In engineering commissioning status,
press and hold "SW7" for more than five
seconds on the master unit to quit
——
Pausing engineering
commissioning
In engineering commissioning status,
press "SW6" on the master unit to retain
the previous commissioning completion
phase of the current commissioning
phase.
This function is valid after step 9. For example,
if receiving a pausing engineering
commissioning signal during the process of
"10. Pre-startup ODU valve status judging
phase" in step 11, the system will restore the
completion phase of "9.
Pre-startup refrigerant
judging phase" in step 10.
Continuing engineering
commissioning
In engineering commissioning pause
status, press "SW6" on the master unit
to continue engineering commissioning.
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